Looking at: https://github.com/Bumblebee-Project/bbswitch/issues/140 indicates that this has been broken since 4.8 when new power management code was enabled for PCIE ports. They suggest using pcie_port_pm=off in teh kernel command line. I will try that whenever I can and see where that leaves me.
Looking at: https:/ /github. com/Bumblebee- Project/ bbswitch/ issues/ 140 indicates that this has been broken since 4.8 when new power management code was enabled for PCIE ports. They suggest using pcie_port_pm=off in teh kernel command line. I will try that whenever I can and see where that leaves me.